#3C3CAB#3C3CAB

#3C3CAB is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.173 H 276.3°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#3C3CAB
RGB	rgb(60, 60, 171)
HSL	hsl(240, 48%, 45%)
HSV	hsv(240, 65%, 67%)
CMYK	cmyk(64.9%, 64.9%, 0%, 32.9%)
CIE-LAB	lab(32.10, 35.03, -59.49)
CIE-LCH	lch(32.10, 69.04, 300.49°)
OKLab	oklab(42.91% 0.0189 -0.1715)
OKLCH	oklch(42.91% 0.173 276.3)
XYZ	xyz(10.8276, 7.1317, 39.3262)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C3CAB #ABAB3C

analogous

#3C73AB #3C3CAB #733CAB

triadic

#3C3CAB #AB3C3C #3CAB3C

tetradic

#3C3CAB #AB3C73 #ABAB3C #3CAB73

square

#3C3CAB #AB3C73 #ABAB3C #3CAB73

split-complementary

#3C3CAB #AB733C #73AB3C

monochromatic

#1C1C50 #2C2C7E #3C3CAB #5E5EC6 #8B8BD6

Accessibility & contrast

On white

8.65

#3C3CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3C3CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3CAB

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3CAB	#FFFFFF	#000000	##FFFFFF
##3C3CAB	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3c3cab;
/* rgb */ color: rgb(60, 60, 171);
/* oklch */ color: oklch(42.9% 0.173 276.3);

Tailwind

colors: {
  custom: {
    50: '#7f72c5',
    500: '#3c3cab',
    950: '#000000',
  },
}

SCSS

$custom: #3c3cab;
$custom-light: #7f72c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3cab",
  "rgb": {
    "r": 60,
    "g": 60,
    "b": 171
  },
  "hsl": {
    "h": 240,
    "s": 48.052,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42912,
    "c": 0.17255,
    "h": 276.3
  },
  "luminance": 0.07133
}

Semantic roles & 50–950 ramp

primary

#3C3CAB

secondary

#C1C182

accent

#D850D8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3C3CAB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →